Table 2. Top 10 labels of occurrence frequency by image type

Type	N	1st	2nd	3rd	4th	5th	6th	7th	8th	9th	10th
1	3,505	Nature	Mountainous landforms	Hill	Highland	Natural landscape	Vegetation	Mountain range	Plant community	Mountain	Natural environment
2	7,662	Branch	Twig	Trunk	Tree	Forest	Woody plant	Winter	Nature reserve	Deciduous	Freezing
3	3,227	Bedrock	Vegetation	Outcrop	Rock	Plant community	Nature reserve	Mountain	Geology	Formation	Terrain
4	2,184	Chinese architecture	Japanese architecture	Roof	Architecture	Landmark	Travel	Temple	Wall	Property	Arch
5	7,849	Rock	Bedrock	Geology	Outcrop	Boulder	Nature reserve	Stone wall	Soil	Trunk	Plant community
6	3,856	Adventure	Outdoor recreation	Rock	Mountain	Bedrock	Bag	Luggage and bags	Travel	Recreation	Mountaineer
7	1,315	Stream	Watercourse	Water resources	Natural landscape	Body of water	Rock	Nature	Nature reserve	Bedrock	Spring
8	9,183	Bedrock	Rock	Outcrop	Geology	Formation	Boulder	Adventure	Terrain	Plant community	Slope
9	6,506	Nature reserve	Forest	Plant community	Vegetation	Biome	Natural environment	Nature	Trunk	Branch	Soil
10	3,342	Flower	Petal	Flowering plant	Botany	Spring	Branch	Purple	Plant	Twig	Terrestrial plant
11	7,861	Bedrock	Mountainous landforms	Mountain	Highland	Rock	Outcrop	Hill	Mountain range	Terrain	Geology
12	2,152	Atmosphere	Atmospheric phenomenon	Nature	Sky	Horizon	Landscape	Daytime	Highland	Cloud	Hill
13	3,676	Vegetation	Hill	Mountainous landforms	Mountain	Highland	Plant community	Hill station	Mountain range	Nature reserve	Terrain
14	1,228	Eyewear	Vision care	Glasses	Sunglasses	Goggles	Jacket	Cap	Travel	Tourism	Mountainous landforms
15	17,848	Soil	Slope	Nature reserve	Travel	Text	Leaf	Arch	Tree	World	Font
16	6,405	Bedrock	Mountain	Outcrop	Rock	Geology	Formation	Terrain	Mountainous landforms	Slope	Wilderness
17	5,630	Mountain range	Mountainous landforms	Mountain	Ridge	Highland	Hill	Summit	Hill station	Slope	Rock
18	5,759	Signage	Nature reserve	Branch	Sign	Plant community	Street sign	Biome	Twig	Soil	Trunk
19	3,767	Leaf	Deciduous	Branch	Twig	Nature	Vegetation	Woody plant	Autumn	Tree	Plant community
20	5,409	Mountainous landforms	Hill	Highland	Mountain	Mountain range	Hill station	Terrain	Slope	Atmospheric phenomenon	Cloud

* The shading in the Table refers to the (non) landscape image type and labels that occurred in more than 60% of the images for the individual type.
* The green and gray shadings represent landscape image types and non-landscape image types, respectively.